Journal
JOURNAL OF SURFACTANTS AND DETERGENTS
Volume 20, Issue 3, Pages 615-622Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11743-017-1953-9
Keywords
Foaming agent; Surfactant; Foaming ability; Foam stability; Temperature
Funding
- National Natural Science Foundation of China [51504249]
- Fundamental Research Funds for the Central Universities [2015XKMS009]
- China Postdoctoral Science Foundation [2016M590520]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1601234C]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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Foam has extensive applications in a wide range of industrial fields. Some surfactants are used as foaming agents in the preparation of foam. The performance of the foaming agent directly affects the application of the foam. In this paper, experiments were designed and conducted to reveal the influence of temperature on foaming performance of 10 typical anionic, cationic, nonionic, and amphiprotic surfactants. They were exposed to different temperature conditions to measure the foaming capacity (FC), foaming expansion (FE), and foam's half-life. FC and FE represent foaming ability (FA), and half-life represents foam stability (FS). The results show that the FC increased at elevated foaming temperature, while FS decreased with rising temperature. Anionic surfactants are less affected by temperature and have better FA and longer FS. It seems that 20-30 degrees C is an ideal foaming temperature. This study lays an important foundation for the efficient preparation and utilization of foam in industrial fields.
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